115 lines
2.4 KiB
Markdown
115 lines
2.4 KiB
Markdown
# Debian操作系统安装Docker
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## 支持的版本
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- Debian testing stretch (64-bit)
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- Debian 8.0 Jessie (64-bit)
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- Debian 7.7 Wheezy (64-bit)
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## 预安装
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Docker 支持 64 位、内核高于 3.10 的 Debian 操作系统，内核低于 3.10 将导致数据丢失和系统不稳定等问题。
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查看内核版本使用以下命令：
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```
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$ uname -r
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```
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### 更新APT仓库
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Docker 的 APT 仓库包含了 1.7.1 及以上版本的 Docker，安装前需要更新 APT 设置，来使用新的仓库：
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#### 1. 清理旧的仓库信息
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```sh
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$ apt-get purge lxc-docker*
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$ apt-get purge docker.io*
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```
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#### 2. 更新和安装软件包
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```sh
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$ apt-get update
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$ apt-get install apt-transport-https ca-certificates
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```
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#### 3. 添加 GPG 键
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```
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$ apt-key adv --keyserver hkp://p80.pool.sks-keyservers.net:80 --recv-keys 58118E89F3A912897C070ADBF76221572C52609D
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```
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#### 4. 添加 APT 源
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编辑文件 `/etc/apt/sources.list.d/docker.list`，清理已存在的信息，写入APT源地址内容。以下以 Debian Jessie 为例，非 Jessie 版本的系统注意修改为自己对应的代号。
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```sh
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$ sudo cat <<EOF > /etc/apt/sources.list.d/docker.list
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deb https://apt.dockerproject.org/repo debian-jessie main
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EOF
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```
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其他两个版本内容：
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```
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deb https://apt.dockerproject.org/repo debian-wheezy main
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```
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```
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deb https://apt.dockerproject.org/repo debian-stretch main
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```
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#### 5. 校验安装结果
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```
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$ apt-cache policy docker-engine
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docker-engine:
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Installed: 1.11.0-0~jessie
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Candidate: 1.11.0-0~jessie
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Version table:
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*** 1.11.0-0~jessie 0
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500 https://apt.dockerproject.org/repo/ debian-jessie/main amd64 Packages
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100 /var/lib/dpkg/status
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.....
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```
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以后，当执行 `apt-get upgrade` 等命令时，将使用新设置的的 APT 源。
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## 安装 Docker
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```
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$ sudo apt-get install docker-engine
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```
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## 为非 root 用户授权
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```
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# 如果没有就建立一个 Docker 组
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$ sudo groupadd docker
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# 增加一个用户（用真实的名字替换下面的 ${USER}）到 Docker 组，需重登陆来生效
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$ sudo gpasswd -a ${USER} docker
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# 重启 Docker 服务
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$ sudo service docker restart
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```
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## 更新 Docker
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```
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$ apt-get upgrade docker-engine
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```
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## 卸载 Docker
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```sh
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# 卸载软件包
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$ sudo apt-get purge docker-engine
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#卸载依赖包
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$ sudo apt-get autoremove --purge docker-engine
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#如有必要，执行以下命令，删除全部镜像、容器、数据卷和其他docker相关用户信息:
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$ rm -rf /var/lib/docker
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```
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